A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5910-00-916-3986
NSN 6150-00-061-3106
NSN 5905-00-782-2009
NSN 6620-00-448-6442
NSN 5996-00-113-7341
NSN 4140-01-550-6540
NSN 6220-01-284-6285
NSN 6240-01-116-3382
NSN 6130-01-131-1567
NSN 6685-01-139-4132
NSN 5965-01-644-4989
NSN 6645-00-689-8144